Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian don voi snippets" » "gian dan voi snippets", "giang son voi snippets", "gian dien voi snippets", "gian dong voi snippets", "gian doi voi snippets", "gian don vi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("gian don voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian don voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian don voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian don voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.